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R

One benefit of using R over many statistical software is its ability to access the World Bank database by means of the API and to analyse the data therein without the need to download the data onto your local computer.

To carry out this analysis in R, however, it is necessary to have the requisite package installed. The package used in R is the WDI package. After installing this package, we must explicitly call this package using the library function.

The R statistical program is becoming very popular among both statisticians and programmers. What's surprising about this popularity is that the program is largely command-line type, lacking graphical user interface which would make it user-friendly to the average statistician. What is appealing about the program, however, is its simplicity and flexibility. The following demonstration aims at illustrating how easy and flexible the program is in spite of the lack of a graphical user interface (GUI).